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    <title>Document</title>
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    <script>
        /* 
        new 执行过程：
            1.后面跟着函数名（），调用了构造函数
            2.创建一个空对象 this就是对象名
            3.给当前对象  动态地添加属性和方法
            4.返回这个对象
        */
        function Hero(name, age, level) {
            this.age = age;
            this.level = level;
            this.name = name;

            this.skill = function () {
                console.log("释放了技能");
            }
        }

        let lvbu = new Hero("吕布", 22, 18);
        console.log(lvbu.name);
        console.log(lvbu['level']);
        lvbu.skill();
       
    </script>
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